generated: '2026-07-21' method: searched source: https://yuzu.health/docs/guides/api also_derived_from: openapi/yuzu-health-openapi-original.json authentication: style: bearer-token scheme: API key passed as a bearer token (JWT); keys minted in the vendor portal Settings > Developer detail: Each key maps to an owning org/employee. See authentication/yuzu-health-authentication.yml idempotency: supported: false note: Yuzu documents no idempotency key or header. Writes (enrollment, claims, care events) are not idempotent by an explicit client-supplied key as of 2026-07-21. pagination: style: cursor params: limit: default 50; member-listing endpoints default 100 startAfter: object id cursor (pass the id of the last item from the previous page) ordering: deterministic by createdAt then id, so startAfter is an object id response_fields: paginated DTOs (PaginatedMemberDto, PaginatedMedicalClaimDto, etc.) wrap items versioning: style: uri-path detail: Public API is versioned by URL prefix (v1, v2, v3). Within a version only additive changes are made - new functionality arrives as new optional fields or new endpoints. see: lifecycle/yuzu-health-lifecycle.yml error_envelope: fields: [timestamp, path, message] validation: 400 BadRequest additionally includes a Zod errors[] array of field-level failures see: errors/yuzu-health-problem-types.yml rate_limiting: signaled: false note: No rate-limit headers or published quotas documented as of 2026-07-21. metadata: null request_tracing: null